What is the size of your Hosted-PBX service? How many users and trunks do you expect to have?<div><br></div><div>For larger systems with full redundancy you would need two opensips servers (redundant of each other) and a pool of asterisk servers - you can start with two asterisk servers to have redundancy and increase the number of asterisk servers when you have more traffic.</div>
<div><br></div><div>OpenSIPS server will take care of registrations for your sip clients and can do load balancing/routing for your inbound and outbound calls both from your carriers and your sip phones. </div><div><br></div>
<div>Asterisk is probably a better choice for you since it has lots of telephony features that you would need in a hosted pbx solution. However, neither of the solutions supports multi-tenancy. The key feature you need for a hosted pbx solution. You will have to use asterisk AGI and do some coding to implement it.</div>
<div><br></div><div>Regards,</div><div>Ali Pey</div><div><br><br><div class="gmail_quote">On Thu, Apr 19, 2012 at 4:57 AM, <a href="mailto:pavel@eremina.net">pavel@eremina.net</a> <span dir="ltr"><<a href="mailto:eremina.net@gmail.com">eremina.net@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Opensips such SIP Proxy i use more than year and it's good enough.<br>
But now i want to add Asterisk for add Hosted-PBX service for our<br>
clients. In general i know that Opensips can route trafic between<br>
sip-users and when users want some media service like voicemail, hold,<br>
anounce. ivr, parking and other else, Opensips will route there<br>
request to Asterisk.<br>
<br>
Two question:<br>
Is this scheme good for all voip services (fax, conference, inbound<br>
call distribution) nor not?<br>
Can i use SEMS instead Asterisk for all common services?<br>
<br>
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</blockquote></div><br></div>